Therefore, high grain weight and low nitrogen content of single plant are the basic characteristics of high-yielding and high-efficiency hybrids.
所以，较高的粒重和较低的植株氮含量是高产氮高效品种的基本特征。
Plant defensins are the kind of short peptides with low molecular weight, basic and cysteine-rich.
植物防御素是一类分子量小、呈碱性、富含半胱氨酸的短肽。
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